Products: Abaqus/Standard Abaqus/Explicit Abaqus/CAE
This section provides a reference to the infinite elements available in Abaqus/Standard and Abaqus/Explicit.
CINPE4 | 4-node linear, one-way infinite |
CINPE5R(S) | 5-node quadratic, one-way infinite |
CINPS4 | 4-node linear, one-way infinite |
CINPS5R(S) | 5-node quadratic, one-way infinite |
CIN3D8 | 8-node linear, one-way infinite |
CIN3D12R(S) | 12-node quadratic, one-way infinite |
CIN3D18R(S) | 18-node quadratic, one-way infinite |
CINAX4 | 4-node linear, one-way infinite |
CINAX5R(S) | 5-node quadratic, one-way infinite |
ACIN2D2 | 2-node linear, acoustic infinite |
ACIN2D3(S) | 3-node quadratic, acoustic infinite |
Plane stress and plane strain solid continuum elements: X, Y
2D acoustic elements: X, Y
3D solid continuum and acoustic elements: X, Y, Z
Axisymmetric solid continuum and acoustic elements: r, z
Normal directions are not specified at nodes used in acoustic infinite elements; they will be computed automatically. See “Infinite elements,” Section 28.3.1, for details.
For two-dimensional, plane strain, and plane stress elements, you must provide the thickness of the elements; by default, unit thickness is assumed.
For three-dimensional and axisymmetric solid elements, you do not need to specify a thickness.
For acoustic elements, you must specify the reference point in addition to the thickness.
Input File Usage: | *SOLID SECTION |
Abaqus/CAE Usage: | Only acoustic infinite sections are supported in Abaqus/CAE. |
Property module: Create Section: select Other as the section Category and Acoustic infinite as the section Type |
No output is available from Abaqus/Explicit for infinite elements. Stress and other tensors (including strain tensors) are available from Abaqus/Standard for infinite elements with displacement degrees of freedom. All tensors have the same components. For example, the stress components are as follows:
S11 | direct stress or radial stress for axisymmetric elements. |
S22 | direct stress or axial stress for axisymmetric elements. |
S33 | direct stress (not available for plane stress elements) or hoop stress for axisymmetric elements. |
S12 | shear stress or shear stress for axisymmetric elements. |
S13 | shear stress (not available for plane stress, plane strain, and axisymmetric elements). |
S23 | shear stress (not available for plane stress, plane strain, and axisymmetric elements). |
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Products: Abaqus/Standard Abaqus/Explicit Abaqus/CAE
Your query was poorly formed. Please make corrections. |
This section provides a reference to the infinite elements available in Abaqus/Standard and Abaqus/Explicit.
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CINPE4 | 4-node linear, one-way infinite |
CINPE5R(S) | 5-node quadratic, one-way infinite |
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1, 2
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None.
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Your query was poorly formed. Please make corrections. |
CINPS4 | 4-node linear, one-way infinite |
CINPS5R(S) | 5-node quadratic, one-way infinite |
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1, 2
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None.
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CIN3D8 | 8-node linear, one-way infinite |
CIN3D12R(S) | 12-node quadratic, one-way infinite |
CIN3D18R(S) | 18-node quadratic, one-way infinite |
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1, 2, 3
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None.
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CINAX4 | 4-node linear, one-way infinite |
CINAX5R(S) | 5-node quadratic, one-way infinite |
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1, 2
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None.
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ACIN2D2 | 2-node linear, acoustic infinite |
ACIN2D3(S) | 3-node quadratic, acoustic infinite |
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8
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ACIN3D3 | 3-node linear, acoustic infinite triangular element |
ACIN3D4 | 4-node linear, acoustic infinite quadrilateral element |
ACIN3D6(S) | 6-node quadratic, acoustic infinite triangular element |
ACIN3D8(S) | 8-node quadratic, acoustic infinite quadrilateral element |
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8
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ACINAX2 | 2-node linear, acoustic infinite |
ACINAX3(S) | 3-node quadratic, acoustic infinite |
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8
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Plane stress and plane strain solid continuum elements: X, Y
2D acoustic elements: X, Y
3D solid continuum and acoustic elements: X, Y, Z
Axisymmetric solid continuum and acoustic elements: r, z
Normal directions are not specified at nodes used in acoustic infinite elements; they will be computed automatically. See “Infinite elements,” Section 28.3.1, for details.
Your query was poorly formed. Please make corrections. |
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For two-dimensional, plane strain, and plane stress elements, you must provide the thickness of the elements; by default, unit thickness is assumed.
For three-dimensional and axisymmetric solid elements, you do not need to specify a thickness.
For acoustic elements, you must specify the reference point in addition to the thickness.
Input File Usage: | *SOLID SECTION |
Abaqus/CAE Usage: | Only acoustic infinite sections are supported in Abaqus/CAE. |
Property module: Create Section: select Other as the section Category and Acoustic infinite as the section Type |
Your query was poorly formed. Please make corrections. |
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None.
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No output is available from Abaqus/Explicit for infinite elements. Stress and other tensors (including strain tensors) are available from Abaqus/Standard for infinite elements with displacement degrees of freedom. All tensors have the same components. For example, the stress components are as follows:
S11 | direct stress or radial stress for axisymmetric elements. |
S22 | direct stress or axial stress for axisymmetric elements. |
S33 | direct stress (not available for plane stress elements) or hoop stress for axisymmetric elements. |
S12 | shear stress or shear stress for axisymmetric elements. |
S13 | shear stress (not available for plane stress, plane strain, and axisymmetric elements). |
S23 | shear stress (not available for plane stress, plane strain, and axisymmetric elements). |
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This shows the scheme in the layer closest to the 1–2–3–4 face. The integration points in the second layer are numbered consecutively.
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